ATI RN
Test Questions on Autonomic Nervous System Questions
Question 1 of 5
What is the role of calcium ions in the process of neurotransmitter release?
Correct Answer: B
Rationale: Ca2+ influx triggers vesicle exocytosis, releasing neurotransmitters. It doesn’t inhibit or bind postsynaptically.
Question 2 of 5
The majority of CSF is absorbed into the bloodstream through the:
Correct Answer: B
Rationale: Arachnoid villi absorb CSF into venous blood. Choroid plexuses produce, ependymal cells line, sinuses receive.
Question 3 of 5
The corticospinal tract is an example of a:
Correct Answer: A
Rationale: The corticospinal tract is a projection tract, sending motor signals from cortex to spinal cord.
Question 4 of 5
The primary somatosensory cortex, responsible for processing tactile information such as touch and pressure, is located in the:
Correct Answer: B
Rationale: The primary somatosensory cortex (postcentral gyrus) in the parietal lobe processes touch.
Question 5 of 5
The hypothalamus plays a crucial role in:
Correct Answer: A
Rationale: The hypothalamus regulates homeostasis (temperature, hunger, thirst).